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    • 3. 发明授权
    • APPARATUS FOR FLAME SPRAYING THERMOPLASTIC POWDERS
    • VORRICHTUNG ZUM THERMISCHENVERSPRÜHENVON THERMOPLASTICHEM PULVER
    • EP3057713B1
    • 2017-05-03
    • EP14802152
    • 2014-10-13
    • IBIX S R L
    • GIOVANNINI SUSANNA
    • B05B7/20B05B7/08B05D1/10
    • B05B7/205B05B7/0869B05B7/1486B05B15/002B05B15/0431B05D1/10B05D1/12B05D3/08
    • The method for flame spraying thermoplastic powders provides to heat the article to be coated at a suitable working temperature and to feed the said thermoplastic powders, transported by an inert gas, a flow of compressed air and a flow of liquefied petroleum gas through respective separated discharge chambers (7, 9, 12), shaped inside a mixing device (1) of a spray gun. The thermoplastic powders are then projected, in a resulting flow (30), on the heated surface of the article to be coated, to determine the melting of the same powders at their contact with said heated surface. At least one couple of flows (31, 32) of compressed air is sprayed converging towards the resulting flow (30) flowing out of the mixing device (1), giving the resulting flow (30) a substantially flattened fan shape.
    • 用于火焰喷涂热塑性粉末的方法提供了在合适的工作温度下加热待涂覆的制品,并且将由惰性气体输送的所述热塑性粉末,压缩空气流和液化石油气流通过相应的分离放电 在喷枪的混合装置(1)内成形的室(7,9,12)。 然后将热塑性粉末在所得的流体(30)中投射到待涂布制品的加热表面上,以确定在与所述加热表面接触时相同粉末的熔化。 压缩空气的至少一对流(31,32)朝向流出混合装置(1)的所得流(30)会聚喷射,从而给出所得流(30)基本扁平的扇形。